Vintage Waltham Dynax C.A. Ceramic Tank Style Dress Watch - Black Dial - 1980s Strap particularly on the bezel under

particularly on the bezel under close inspection

reference 5E31-6B20

one for timekeeping and one for calibration

oversized logo and streamlined shape lean into the same graphic language seen across Marlboro’s F1 partnerships of the time

The band has some wear

Vintage Waltham Dynax C.A. Ceramic Tank Style Dress Watch - Black Dial - 1980s Strap particularly on the bezel underA striking 1980s Waltham Dynax C. A. dress watch featuring a sleek black dial with gold baton markers and matching gold hands. The geometric rectangular case and stepped octagonal inner frame give the watch a distinctly refined Tank style silhouette, echoing the elegant proportions of classic rectangular dress watches from the era (and a bit of art deco). The ceramic case adds a sleek modern touch, while the gold crown set with a blue cabochon